export default {
  /**
   * 获取地址栏参数值
   * @param param
   * @return {*}
   */
  getQueryByName (param) {
    let reg = new RegExp('(^|&)' + param + '=([^&]*)(&|$)')
    let r = window.location.search.substr(1).match(reg)
    if (r != null) { return decodeURI(r[2]) }
    return null
  }
}
